基本解釋[經] 無謂損失,額外損失;凈損失詞組短語短語Dead -weight loss attributable to monopoly 獨占的無謂損失dead -weight loss of taxation [稅收]由稅收造成的額外經濟損失deadweight loss更多詞組專業(yè)釋義經濟學無謂損失